	@media screen and (min-width:1200px) {
	  html {
	    font-size: 20px;
	  }
	}

	@media screen and (min-width:800px) and (max-width:1200px) {
	  html {
	    font-size: 16px;
	  }
	}

	@media screen and (max-width:800px) {
	  html {
	    font-size: 12px;
	  }
	}

	* {
	  margin: 0;
	  padding: 0;
	  box-sizing: border-box;
	}

	p {
	  width: 30rem;
	  height: 20rem;
	  margin: 2rem auto;
	  margin-bottom: 0;
	  color: #67C23A;
	  padding: 1rem;
	  border: 0.05rem solid #DCDFE6;
	  background: #F2F6FC;
	}

	div {
	  width: 30rem;
	  height: 5rem;
	  padding: 1.5rem;
	  margin: 0 auto;
	  background-color: #DCDFE6;
	}

	div .text {
	  width: 20rem;
	  height: 2rem;
	  text-align: center;
	  line-height: 2rem;
	}

	div .btn {
	  width: 5rem;
	  height: 2rem;
	  text-align: center;
	  line-height: 2rem;
	  background-color: dodgerblue;
	  border: none;
	  cursor: pointer;
	  transition: all .5s;
	  color: white;
	}

	div .btn:hover {
	  opacity: 0.8;
	}